Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 981, 986 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 981 and 986 is 1.
GCF(981,986) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 981
3 | 981 |
3 | 327 |
109 | 109 |
1 |
Prime factors of 981 are 3,109. Prime factorization of 981 in exponential form is:
981 = 32×1091
Prime Factorization of 986
2 | 986 |
17 | 493 |
29 | 29 |
1 |
Prime factors of 986 are 2,17,29. Prime factorization of 986 in exponential form is:
986 = 21×171×291
∴ So by taking common prime factors GCF of 981 and 986 is 1
Factors of 981
List of positive integer factors of 981 that divides 981 without a remainder.
1,3,9,109,327,981
Factors of 986
List of positive integer factors of 986 that divides 986 without a remainder.
1,2,17,29,34,58,493,986
Greatest Common Factor
We found the factors and prime factorization of 981 and 986. The biggest common factor number is the GCF number.
So the greatest common factor 981 and 986 is 1.
Also check out the Least Common Multiple of 981 and 986
(i) The GCF of 981 and 986 is associative
GCF of 981 and 986 = GCF of 986 and 981
1. What is the GCF of 981 and 986?
Answer: GCF of 981 and 986 is 1.
2. What are the Factors of 981?
Answer: Factors of 981 are 1, 3, 9, 109, 327, 981. There are 6 integers that are factors of 981. The greatest factor of 981 is 981.
3. What are the Factors of 986?
Answer: Factors of 986 are 1, 2, 17, 29, 34, 58, 493, 986. There are 8 integers that are factors of 986. The greatest factor of 986 is 986.
4. How to Find the GCF of 981 and 986?
Answer:
Greatest Common Factor of 981 and 986 = 1
Step 1: Find the prime factorization of 981
981 = 3 x 3 x 109
Step 2: Find the prime factorization of 986
986 = 2 x 17 x 29
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 981 and 986 is 1